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3 years ago

What is the difference between a learner’s license and an operator’s license?

1 answer:

7 0

A learner's license does not allow the person to drive without someone else who has their operator's (or driver's license) or an adult who is at least 21. Although this varies depending on the state.

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True or false a mirrorless camera has a pentaprism

inessss [21]

Answer:

No the pentaprism or pentamirror are both optical viewfinder viewing systems and are not part of the mirrorless camera. Some thing the pentaprism actually operates better than the electronic viewfinder of mirrorless cameras.

Explanation:

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2 years ago

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A large population of ALOHA users manages to generate 50 requests/sec, including both originals and retransmissions. Time is slo

krok68 [10]

Answer:

The answer is below

Explanation:

Given that:

Frame transmission time (X) = 40 ms

Requests = 50 requests/sec, Therefore the arrival rate for frame (G) = 50 request * 40 ms = 2 request

a) Probability that there is success on the first attempt = $e^{-G}G^k$ but k = 0, therefore Probability that there is success on the first attempt = $e^{-G}=e^{-2}=0.135$

b) probability of exactly k collisions and then a success = P(collisions in k attempts) × P(success in k+1 attempt)

P(collisions in k attempts) = [1-Probability that there is success on the first attempt]^k = $[1-e^{-G}]^k=[1-0.135]^k=0.865^k$

P(success in k+1 attempt) = $e^{-G}=e^{-2}=0.135$

Probability of exactly k collisions and then a success = $0.865^k0.135$

c) Expected number of transmission attempts needed = probability of success in k transmission = $e^{G}=e^{2}=7.389$

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3 years ago

Stamps offers at-home postage and mailing for a monthly fee. Customers are able to carry a balance on their accounts that allows

alexdok [17]

Answer:

The pop-up button is necessary to show acceptance of the terms

Explanation:

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2 years ago

In three to five sentences, describe how you would move a slide from the end of the presentation to the second slide.

hjlf

You just hold on the slide you want to move and move it to the second slide.

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2 years ago

When was the phone Built

quester [9]

The first phone was made in 1854 by <span>Antonio Meucci.

Other inventors like </span>Johann Philipp Reis, <span>Alexander Graham Bell, Elisha Gray, and Thomas Edison reinvented the telephone or enhanced it.</span>

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3 years ago

Read 2 more answers